Changes between Version 148 and Version 149 of WikiStart

Timestamp:

Oct 6, 2016, 2:13:00 PM (8 years ago)

Author:

davarpan1s

Comment:

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WikiStart

@@ -226 +226 @@
 Experiment name: rotstr1_3009a, b, c. Filenames: rotstr1_3009a, rotstr1_3009b, rotstr1_3009c. 
 
-rotstr1_3009a: The total experiment time was 30 minutes. The goal was to use UVPs and switch between them within the experiment. ADV measurements were collected at the straight section (Position X1 -75% down straight section, 58 cm upstream from the end of the straight section). The stream wise UVP collected data for the first 10 minutes of the experiment. In the second 10 minutes, the UVP was switched to the cross stream and collected data in the cross stream section for the third 10 minutes. It should be noted that the cycle for the cross stream UVP was set to 1500 mistakenly, instead of 666. Bottom check data was collected for both ADVs. Siphon samples were collected every 5  minutes after the flow rate became constant. The 3 sets were sampled at 5 to 6 minutes (Set !#1), 15 to 16 minutes (Set !#2) and 25 to 26 minutes (Set !#3). The laser was used in this experiment. 
+rotstr1_3009a: The total experiment time was 30 minutes. The goal was to use two UVPs and switch between them within the experiment. ADV measurements were collected at the straight section (Position X1 -75% down straight section, 58 cm upstream from the end of the straight section). The stream wise UVP collected data for the first 10 minutes of the experiment. In the second 10 minutes, the UVP was switched to the cross stream and collected data in the cross stream section for the third 10 minutes. It should be noted that the cycle for the cross stream UVP was set to 1500 mistakenly, instead of 666. Bottom check data was collected for both ADVs. Siphon samples were collected every 5  minutes after the flow rate became constant. The 3 sets were sampled at 5 to 6 minutes (Set !#1), 15 to 16 minutes (Set !#2) and 25 to 26 minutes (Set !#3). The laser was used in this experiment. 
 
 rotstr1_3009b: The goal was to see how much better the UVP data would be later in the experiment. Input flow rate started from 20 L/s for the first 2 minutes and then was decreased to 5.5 L/s. Density excess and temperature were 20.4 kg/m^3^ and 23.7 degrees C respectively. The experiment lasted for 35 minutes as opposed to 30 minutes because it was concluded from previous experiments that would show better results later in the experiment. Therefore 5 minutes after the flow rate became constant, the stream wise UVP collected data for 10 minutes. Then, the two UVPs were switched in the next 10 minutes and, finally, the cross stream UVP collected data from 25 to 35 min. A complete sequence of data was collected by the ADV, but it did not restart for some time. Then, it started collecting a second sequence later which was not complete because the experiment ended. The laser did not work in this experiment.